Taxes on Earnings Taxes on Earnings (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 28, 2024	Jul. 30, 2023	Jul. 31, 2022
Operating Loss Carryforwards	$ 145
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(100)	$ (2)	$ (11)
Undistributed Earnings of Foreign Subsidiaries	11
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	14	12	$ 12
Deferred Tax Assets, Valuation Allowance	$ 29	129
Latest Tax Year [Member]
Operating Loss Carryforwards, Expiration Date	Jul. 30, 2045
Earliest Tax Year [Member]
Operating Loss Carryforwards, Expiration Date	Aug. 03, 2025
Tax Credit Carryforward, Expiration Date	Jul. 28, 2026
Indefinite Life [Member]
Operating Loss Carryforwards	$ 13
Definite Life [Member]
Operating Loss Carryforwards	132
Gross Amount of Operating Loss Carryforwards with a Full Valuation Allowance [Member]
Operating Loss Carryforwards	41
Other Liabilities [Member]
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	6	5
Capital Loss Carryforward [Member]
Tax Credit Carryforward, Amount	123
Tax Credit Carryforward, Valuation Allowance	123
Definite Life [Member]
Tax Credit Carryforward, Amount	77
Indefinite Life [Member]
Tax Credit Carryforward, Amount	$ 46
State and Local Jurisdiction [Member]
Deferred Tax Assets, Tax Credit Carryforwards, Other		12
Deferred Tax Assets, Valuation Allowance		$ 12